Control and operation

The access and the outfit of the cab

Note!

The ladder can only be swung up with the Diesel engine running.

For the rotating access ladder

Push the switch S155 until the ladder has reached its top position. When the top position is reached, the ladder is locked and control light H67 goes out.

Pushtheswitch S156 to lock the ladder (whenlocked the redindicator light H68 goes out).

Caution!

For safety reason, the excavator can only be operated if the ladder is locked in its top position. Otherwise, the red indicator light goes on. This means that the swing and travel movements remain locked.

Thissafety measurecanbemomentarilyby-passedby pushing andholdingthebutton S122 on the control board.

Theladdercanonlybelockedafterithasreacheditsupperstopposition(H67isoff). Theladdercanonlybeswungupordownwhenthelockingdeviceisinunlockedposition (H68 is on).

To bring the 45° access ladder into lower position in case of emergency:

In caseof defect (servicebatteries out of order, defectivesolenoidvalve or wiring...) avoiding the regular lowering procedure of the ladder, Open valves V1 and V2 to lower the ladder.

If an emergency stop is operated, the ladder is lowered automatically.

3.2.2Safety lever

For safety purposes, the left control panel is provided with a safety lever.

Caution!

The safety lever must always be pushed up into its highest position (see arrow) when entering or exiting the cab.

When the safety lever is pushed up, the pilot control circuit is disconnected. This means that: when pilot control devices, eg. the joystick or foot pedals, are operated.

S17 illuminates).

S17

When the safety lever is pushed (push up / push down) to its lowest position, the slewing gear brake and the LED in switch S17 will return to their original states and the pilot control devices will be active.

Before the operator starts working, he must push the safety lever down into its

3.2.3Operator’s seat